program needs a wxDb instance, it may call this function to obtain a wxDb
instance. If there is a wxDb instance in the cache that is currently unused
that matches the connection requirements specified in {\it'pDbConfig'} then
program needs a wxDb instance, it may call this function to obtain a wxDb
instance. If there is a wxDb instance in the cache that is currently unused
that matches the connection requirements specified in {\it'pDbConfig'} then